Finding the Fourth Proportional to 23,538,615.36, 32,497,781.04 and 18,663,529.92
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Solution
The fourth proportional to 23,538,615.36, 32,497,781.04 and 18,663,529.92 is: 25,767,161.73
Step by Step Solution
- Step 1: Write the proportion equation
23,538,615.36 : 32,497,781.04 = 18,663,529.92 : x - Step 2: Convert to fraction form
23,538,615.36/32,497,781.04 = 18,663,529.92/x - Step 3: Cross multiply
23,538,615.36x = 32,497,781.04 × 18,663,529.92 - Step 4: Simplify right side
23,538,615.36x = 606,523,308,773,648.75 - Step 5: Solve for x
x = 606,523,308,773,648.75/23,538,615.36 - Step 6: Final answer
x = 25,767,161.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.